>could have swore doremi was in the 8:30am sunday morning timeslot that precure has occupied since 2004
I gave ranges since the times vary wildly from station to station, but it did air at 8:30am on ABC TV/TV Asahi from 1999-2003

You can find the full broadcast schedule listed here: https://ja.wikipedia.org/wiki/%E3%81%8A%E3%82%B8%E3%83%A3%E9%AD%94%E5%A5%B3%E3%81%A9%E3%82%8C%E3%81%BF#%E6%94%BE%E9%80%81%E5%B1%80